zsh.md

   1 ---
   2 title: zsh
   3 category: CLI
   4 layout: 2017/sheet
   5 ---
   6
   7 ### Expressions
   8
   9 | Expression        | Example             | Description
  10 | ---               | ---                 | ---
  11 | `!!`              | `sudo !!`           | Last command (`sudo !!`)
  12 | ---               | ---                 | ---
  13 | `!*`              | `vim !*`            | Last command's parameters (`vim !*`)
  14 | `!^`              |                     | Last command's first parameter
  15 | `!$`              |                     | Last command's last parameter
  16 | ---               | ---                 | ---
  17 | `!?ls` `<tab>`    | `sudo !?mv` `<tab>` | Command and params of last `ls` command
  18 | `!?ls?:*` `<tab>` |                     | Params of last `ls` command
  19 | ---               | ---                 | ---
  20 | `*(m0)`           | `rm *(m0)`          | Last modified today
  21 | `*(m-4)`          |                     | Last modified <4 days ago
  22 {: .-headers}
  23
  24 ### Change default shell
  25
  26 ```bash
  27 chsh -s `which zsh`
  28 ```
  29
  30 ### Process Substitution
  31
  32 | Expression        | Example                                               | Description
  33 | ---               | ---                                                   | ---
  34 | `<(COMMAND)`      | `grep "needle" <(curl "https://haystack.io")`         | Replace argument with _named pipe/FIFO_ (read-only) with command output
  35 | `=(COMMAND)`      | `vim =(curl "https://haystack.io")`                   | Replace argument with _file_ (writable) containing command output
  36 {: .-headers}
  37
  38 ### Also see
  39
  40 - [Bash cheatsheet](./bash)
  41
  42 Zsh is mostly compatible with Bash, so most everything in Bash's cheatsheet also applies.